#AD2827#AD2827

#AD2827 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.170 H 26.4°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#AD2827
RGB	rgb(173, 40, 39)
HSL	hsl(0, 63%, 42%)
HSV	hsv(0, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 77.5%, 32.2%)
CIE-LAB	lab(38.81, 52.77, 34.18)
CIE-LCH	lch(38.81, 62.87, 32.93°)
OKLab	oklab(49.29% 0.1521 0.0755)
OKLCH	oklch(49.29% 0.17 26.4)
XYZ	xyz(18.3608, 10.5512, 2.9889)
Luminance	0.1055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2827 #27ACAD

analogous

#AD2769 #AD2827 #AD6B27

triadic

#AD2827 #27AD28 #2827AD

tetradic

#AD2827 #69AD27 #27ACAD #6B27AD

square

#AD2827 #69AD27 #27ACAD #6B27AD

split-complementary

#AD2827 #27AD6B #2769AD

monochromatic

#491110 #7B1C1C #AD2827 #D33F3E #DF7170

Accessibility & contrast

On white

6.75

#AD2827 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AD2827 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2827

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2827	#FFFFFF	#000000	##FFFFFF
##AD2827	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514925

Deuteranopia (green-blind)

#726622

Tritanopia (blue-blind)

#BF002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad2827;
/* rgb */ color: rgb(173, 40, 39);
/* oklch */ color: oklch(49.3% 0.170 26.4);

Tailwind

colors: {
  custom: {
    50: '#ce6e62',
    500: '#ad2827',
    950: '#000000',
  },
}

SCSS

$custom: #ad2827;
$custom-light: #ce6e62;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2827",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 39
  },
  "hsl": {
    "h": 0.448,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49291,
    "c": 0.1698,
    "h": 26.4
  },
  "luminance": 0.10548
}

Semantic roles & 50–950 ramp

primary

#AD2827

secondary

#6AC5C6

accent

#E5E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AD2827

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →